1 .Which element that does not occur in nature but can be produced artificially?
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2 .Which rocks is transformed into marble?
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3 .By which number the quality of gasoline' sample is determined?
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4 .What is the principal reason for the formation of metamorphic rocks?
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5 .Which type of glass is used for making glass reinforced plastic?
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6 .When temperature is gradually decreased, what is the specific heat of substance?
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7 .Which metal is non toxic in nature?
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8 .Which is the element that has the highest first ionization potential?
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9 .Which transition metal is in liquid state?
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10 .Temporary hardness of water is due to the presence of which thing?
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11 .Which air pollutant affect the nervous system of man?
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12 .Which oxyacid of halogen has maximum acidic nature?
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13 .What is the characteristic odour of garlic?
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14 .What can be the maximum duration of totality for a solar eclipse?
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15 .Which of the following is good nuclear fuel?
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